+0  
 
0
44
1
avatar+427 

Let  f(x)=logx . 

What is the average rate of change of f(x) from 4 to 6?

Round to the nearest hundredth.

Choices

​​0.09

​​0.18

​​0.20

​​0.41

 Dec 20, 2018

Best Answer 

 #1
avatar+15316 
+3

Log 4 = .60205    (y1)

Log 6 = .77815    (y2)

 

Avg rate of change =  slope =   y2-y1  /  x2-x1     = log6-log4   /   6-4  = .088 per unit= .09 (rounded)

 Dec 20, 2018
edited by ElectricPavlov  Dec 20, 2018
 #1
avatar+15316 
+3
Best Answer

Log 4 = .60205    (y1)

Log 6 = .77815    (y2)

 

Avg rate of change =  slope =   y2-y1  /  x2-x1     = log6-log4   /   6-4  = .088 per unit= .09 (rounded)

ElectricPavlov Dec 20, 2018
edited by ElectricPavlov  Dec 20, 2018

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